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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Biochem Biophys Res Commun. 2009 Nov 22;391(1):645–650. doi: 10.1016/j.bbrc.2009.11.113

Figure 2. Effect of exogenously applied H2S on IL-8 production in OBA9 and OKF6 cells.

Figure 2

Confluent cultures of gingival epithelial cell line (OBA9) or oral epithelial cell line (OKF6) were exposed to serial dilutions of the H2S donor, Na2S, for 24 hr with or without PMA (1 μmol/L) stimulation. The concentrations of IL-8 in the culture supernatant produced from OBA9 (A) or OKF6 (B) were measured by ELISA. Data indicate the mean ± SD of three cultures. *p < 0.05, **p < 0.01: Values differ significantly (t-test).